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7c5fa50875
llvm-6502/test
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Sanjay Patel 7c5fa50875 use -0.0 when creating an fneg instruction 
Backends recognize (-0.0 - X) as the canonical form for fneg
and produce better code. Eg, ppc64 with 0.0:

   lis r2, ha16(LCPI0_0)
   lfs f0, lo16(LCPI0_0)(r2)
   fsubs f1, f0, f1
   blr

vs. -0.0:

   fneg f1, f1
   blr

Differential Revision: http://reviews.llvm.org/D6723



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224583 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-19 16:44:08 +00:00
..
Analysis IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
Assembler DebugInfo: Update testcase to actually check something 2014-12-16 07:08:19 +00:00
Bindings IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
Bitcode IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
BugPoint IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
CodeGen [mips][microMIPS] Fix bugs related to atomic SC/LL instructions 2014-12-18 16:39:29 +00:00
DebugInfo PR21875: codegen for non-type template parameters of nullptr_t type 2014-12-17 00:43:22 +00:00
ExecutionEngine
Feature IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
FileCheck
Instrumentation [sanitizer] prevent function call merging for sanitizer-coverage callbacks 2014-12-16 21:24:15 +00:00
Integer
JitListener IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
Linker Reapply "Linker: Drop superseded subprograms" 2014-12-18 01:05:33 +00:00
LTO llvm-lto: Add testing coverage for local contexts 2014-12-17 02:00:38 +00:00
MC [Hexagon] Adding loop0/1 sp0/1/2loop0 instructions. 2014-12-19 00:06:53 +00:00
Object [Object] Don't crash on empty export lists. 2014-12-19 02:31:01 +00:00
Other
SymbolRewriter
TableGen
tools Add printing the LC_SUB_UMBRELLA load command with llvm-objdump’s -private-headers. 2014-12-18 23:13:26 +00:00
Transforms use -0.0 when creating an fneg instruction 2014-12-19 16:44:08 +00:00
Unit
Verifier IR: Stop printing 'metadata' in Metadata::print() 2014-12-16 07:40:31 +00:00
YAMLParser
.clang-format
CMakeLists.txt
lit.cfg Teach lit.cfg to recognize -windows-gnu in addition to -mingw32. 2014-12-17 09:55:15 +00:00
lit.site.cfg.in
Makefile
Makefile.tests
TestRunner.sh